Which of the following function f: Z X Z ‚Äö√Ñ√∂‚àö√∫‚àö‚â† Z is not onto?$

f(a, b) = a ‚Äö√Ñ√∂‚àö√ë‚àö¬® b

Which of the following function f: Z X Z ‚Äö√Ñ√∂‚àö√�

1.	Which of the following function f: Z X Z ‚Äö√Ñ√∂‚àö√∫‚àö‚â† Z is not onto?$
A.	f(a, b) = a + b
B.	f(a, b) = a
C.	f(a, b) = \|b\|
D.	f(a, b) = a ‚Äö√Ñ√∂‚àö√ë‚àö¬® b
Answer» D. f(a, b) = a ‚Äö√Ñ√∂‚àö√ë‚àö¬® b

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Which of the following function f: Z X Z ‚Äö√Ñ√∂‚àö√∫‚àö‚â† Z is not onto?$

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